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Timed Test For
Linear equations word problems
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Sample Problem
Rachel is a stunt driver, and she's escaping from a building that is about to explode! $D(t)$ models Rachel's remaining distance (in meters) as a function of time $t$ (in seconds). $D(t)=-38t+220$ **How long is the distance Rachel has to drive?** [[☃ math-keypad 2]] meters
Rachel is a stunt driver, and she's escaping from a building that is about to explode!
D
(
t
)
D(t)
D
(
t
)
models Rachel's remaining distance (in meters) as a function of time
t
t
t
(in seconds).
D
(
t
)
=
−
38
t
+
220
D(t)=-38t+220
D
(
t
)
=
−
3
8
t
+
2
2
0
How long is the distance Rachel has to drive?
Check Answer
meters
What's your name?
Duration
30 seconds
60 seconds (1 minute)
120 seconds (2 minutes)
180 seconds (3 minutes)
300 seconds (5 minutes)
